{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1080-2ED42-0JA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1080-2ED42-0JA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1080-2ED42-0JA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1080-2ED42-0JA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON molded case circuit breaker, 3VA1080-2ED42-0JA0, 4-pole, 80 A (40 °C), TM210 overcurrent release, shunt trip, 52.5 kA at 240 V, 70 mm depth.","salesMarkdown":"It carries 80 A continuously at 40 °C through 50 °C, derating to 74 A at 70 °C — the thermal curve governs real panel loading, not just the nameplate. Breaking capacity hits 52.5 kA at 240 V, 32 kA at 415 V, and holds 7.5 kA up to 690 V, giving selectivity headroom for most distribution boards downstream of a transformer. ## Sizing and coordination in the panel At 70 mm deep, 101.6 mm wide, and 130 mm tall, this MCCB fits standard SENTRON 3VA panel footprints. The 4-pole body with integrated shunt trip (STL) release takes up one full module width on the DIN rail or mounting plate — plan for the same cutout as other 3VA1-series breakers. Maximum power loss is 19.2 W. In a sealed enclosure, that heat needs to be factored into the thermal budget — especially if the breaker is derated by adjacent devices. For a simple feeder or main breaker role, that keeps the BOM clean.","metaTitle":"Siemens 3VA1080-2ED42-0JA0 SENTRON MCCB, 4P, 80A, 52.5kA@240","metaDescription":"Siemens SENTRON 3VA1080-2ED42-0JA0 molded case circuit breaker, 4-pole, 80 A rated at 40°C, 52.5 kA breaking at 240 V. Active production. Quoted to order. Sourced via independent d","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"101.6 mm","Height":"130 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"52.5 kA","at 415 V":"32 kA","at 440 V":"13.6 kA","at 500 V":"7.5 kA","at 690 V":"7.5 kA","at 40 °C":"80 A","at 45 °C":"80 A","at 50 °C":"80 A","at 55 °C":"78 A","at 60 °C":"77 A","at 65 °C":"75 A","at 70 °C":"74 A","Depth [In]":"2.76 in","Width [In]":"4 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"4","Voltage Trigger":"Yes","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"19.2 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA10802ED420AA0","Design Of The Auxiliary Release":"shunt trip (STL)","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM210","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","design of the N-conductor protection":"without","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL32","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"600 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"B","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=192974&mlfb=3VA1080-2ED42-0JA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1080-2ED42-0JA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA1080-2ED42-0JA0 at different voltages?","answer":"52.5 kA at 240 V, 32 kA at 415 V, 13.6 kA at 440 V, and 7.5 kA at both 500 V and 690 V. These figures define the fault-current withstand for coordination studies."},{"question":"What is the thermal derating for 3VA1080-2ED42-0JA0 above 50 °C?","answer":"Rated 80 A from 40 °C to 50 °C, then derates to 78 A at 55 °C, 77 A at 60 °C, 75 A at 65 °C, and 74 A at 70 °C. The full curve matters for panel ambient temperature."},{"question":"Where can I buy 3VA1080-2ED42-0JA0?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an inquiry for a firm quote."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1080-2ED42-0JA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA1080-2ED42-0JA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}